Constitution Hall ZIP Codes:
48909 - When using a P.O. Box number, always use this ZIP Code.
48933 - This is the street address for the building. This ZIP Code is appropriate for Federal Express or United Parcel Service deliveries only.
48913 - This is the State of Michigan's unique ZIP Code and should be used if there is no P.O. Box number.

District Office Locations

The Michigan Department of Environmental Quality has established district and field offices to provide department services throughout the state. District and field office employees provide information about department programs, review and process permit applications, provide pollution prevention assistance to regulated entities, assess the compliance status of regulated entities, and meet with stakeholder groups to encourage public participation in the regulatory process.